Vulnerability
CVE-2025-14847
MongoDB: improper handling of length parameter inconsistency
Most severe levelDEFCON 4 · Moderate risk
Official data
- CVSS 4.0
- 8.7 · high
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-130
- EPSS
- 83.22% probability of exploitation in the next 30 days, higher than 99% of CVEs
- CISA KEV catalogue
- Yes, since 29 December 2025
Sources: NVD (CVSS, weakness, publication), FIRST (EPSS), CISA (KEV catalogue).
Data read on 5 November 2026.
Timeline
- 19 December 2025Published on NVD
- 29 December 2025Added to the CISA KEV catalogue
- 30 December 2025First in the DefenceLevel briefing
In DefenceLevel briefings2 days
- 1 January 2026Still ongoingDEFCON 4
- 30 December 2025New in the last 24 hoursDEFCON 4
Last 12 months.
The full analysis is in the briefingThe full analysis is in your archive
Why it matters now, who is affected and what to do: every day at 05:00 UTC, for subscribers.Why it matters, who is affected and what to do, as in the daily briefing.